Since joining NPR in 2010 as a Kroc Fellow, he's contributed to NPR's breaking news coverage of the Orlando nightclub shooting, protests in Baltimore after the death of Freddie Gray, and the trial of George Zimmerman in Florida.

Wang previously reported on race, ethnicity, and culture for NPR's Code Switch team. He has also reported for Seattle public radio station KUOW and worked behind the scenes of NPR's Weekend Edition as a production assistant.

A Philadelphia native, Wang speaks both Mandarin and Cantonese dialects of Chinese. As a student at Swarthmore College, he hosted, produced, and reported for a weekly podcast on the wars in Iraq and Afghanistan.

As tens of thousands of politicians, party delegates and protesters swept through the City of Brotherly Love this week for the Democratic National Convention, dozens of homeless Philadelphians and out-of-towners pitched tents on a grassy lot.

They were part of a protest over the four days of the convention organized by Cheri Honkala, a Philadelphia-based activist with the Poor People's Economic Human Rights Campaign.

And I'm Audie Cornish in Philadelphia, where protests outside the Democratic National Convention have drawn thousands of demonstrators, and they're rallying around a wide range of causes. NPR's Hansi Lo Wang gives us a taste.